v8/test/intl/segmenter/subclassing.js
Frank Tang db6db6ed8f [Intl] Add more tests for Intl.Segmenter
Bug: v8:6891
Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng
Change-Id: I0b82b194cb7089aeaa322ed4e45008db6890e7a1
Reviewed-on: https://chromium-review.googlesource.com/c/1266995
Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org>
Commit-Queue: Frank Tang <ftang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56704}
2018-10-16 15:17:09 +00:00

18 lines
554 B
JavaScript

// Copyright 2018 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --harmony-intl-segmenter
// Test subclassing of Segmenter
class CustomSegmenter extends Intl.Segmenter {
constructor(locales, options) {
super(locales, options);
this.isCustom = true;
}
}
const seg = new CustomSegmenter("zh");
assertEquals(true, seg.isCustom, "Custom property");
assertEquals(Object.getPrototypeOf(seg), CustomSegmenter.prototype, "Prototype");